为适应高效连铸和开发新品种的需要，邯钢第三炼钢厂方坯连铸中间包工作层用碱性干式自流料取代了硅质绝热板。
For high-efficiency casting and variety development, silica insulation plate was replaced by basic dry lining material in the working layer of billet caster tundish.
从中间包绝热板的配方、制造技术和装砌等方面采取改进措施，可有效减少铸坯皮下气泡。
Some improvement in insulating board composition, in shaping process and lining technology can effectively reduce the skin hole.
研究表明，窄缝内横截面中心线上的速度呈梯形分布，窄边附近流速较低，中间高；宽边完全加热时，流体不足以带出加热板发出的热量，使得角部出现热集中现象；
The results reveal that the velocity of the center of cross section is trapeziform, the velocity of about narrow side of the channel is lower, but the velocity of center is high;
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